Suppose x has a distribution with μ = 18 and σ = 10. (a) If a random sample of size n = 37 is drawn, find μx, σ x and P(18 ≤ x ≤ 20). (Round σx to two decimal places and the probability to four decimal places.) μx =   σ x =   P(18 ≤ x ≤ 20) =   (b) If a random sample of size n = 68 is drawn, find μx, σ x and P(18 ≤ x ≤ 20). (Round σ x to two decimal places and the probability to four decimal places.) μx =   σ x =   P(18 ≤ x ≤ 20) =

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.